Secondary Amyloidosis Found by Routine Duodenoscopy during the Course of Crohn's Disease, Report of a Case Junya Yamamoto 1 , Toshiyuki Matsui 1 , Tsuneyoshi Yao 1 1Department of Gastroenterology, Fukuoka University Chikushi Hospital Keyword: Crohn病 , 十二指腸 , アミロイドーシス pp.1437-1443
Published Date 1994/12/25
DOI https://doi.org/10.11477/mf.1403106026
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 The patient was a 34-year-old man who had been diagnosed as having Crohn's disease and underwent partial ileal resection in 1984. In April,1994, he developed obstructive symptoms and was admitted to our hospital. He was diagnosed as having amyloidosis by a routine upper endoscopic examination by findings of irregularity of the Kerckring's folds and fine granular mucosa on the second portion of the duodenum.

 Histological examination revealed a deposition of amyloid substance in the propria mucosae and he was diagnosed as having secondary amyloidosis. He has not suffered from proteinuria and disorders of the other organs during the course of Crohn's disease. Hence, endoscopic abnormalities can be the first clue to secondary amyloidosis.

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